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Significant earthquake

This summarises a recorded earthquake only; it is not a warning or a prediction. Follow AFAD and the competent authorities for official statements and guidance.

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4.9

south of the Fiji Islands

21 October 2026, 02:24:27 (+03) 2026-10-20 23:24:27 UTC

3 sources: EMSC, USGS, GFZ mb
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Magnitude
4.9 mb
Depth
529.8 km
Coordinates
-25.5020, 179.5920
Data consistency
85/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
2
Last 30 days
7

Approximate energy released

≈ 338 t TNT

1.41e+12 J

Approximated with the Gutenberg–Richter relation (log E = 1.5 M + 4.8); depends on magnitude type. Gutenberg & Richter (1956).

Did you feel this earthquake?

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Community reports

Based on voluntary reports from users; not an instrumental measurement or official intensity. For official information follow AFAD and Kandilli Observatory announcements.

Impact information reported by sources

  • USGS Earthquake Hazards Program Tsunami flag: No

These values are automatic products of the respective agency, not an assessment by this platform. For tsunami warnings follow the Kandilli Observatory Regional Earthquake-Tsunami Monitoring Center and AFAD.

Nearby places

No records.

Nearby faults (50 km)

No mapped fault within 50 km.

Last year, within 100 km

10 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 0
  • M3 0
  • M4 9
  • M5 1
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 0
  • 10–20 km 0
  • 20–40 km 0
  • 40–70 km 0
  • 70–150 km 0
  • 150+ km 10

Largest previous earthquakes within 100 km

Largest earthquakes in the platform catalogue and entries from historical catalogues (with citation).

Comparison with past records

…

No earlier earthquakes are recorded in this area.

  • Source:

Where does this earthquake come from?

Source comparison

Agency Magnitude Depth Time (UTC) Difference from master Original record
EMSC-CSEM
SOUTH OF FIJI ISLANDS
 4.9 mb 519.4 km 23:24:26.230 Δt 0.87 sn · 9.87 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
south of the Fiji Islands
 4.9 mb 529.8 km 23:24:27.101 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
South of Fiji Islands
 4.9 mb 525.2 km 23:24:25.130 Δt 1.97 sn · 34.86 km · ΔM 0 Original record

This value summarises agreement between sources; it is not a measure of scientific accuracy. Euro-Mediterranean Seismological Centre (EMSC-CSEM) — CC BY 4.0 U.S. Geological Survey (USGS) Earthquake Hazards Program — Public domain (U.S. Government) GEOFON Program, GFZ Helmholtz Centre for Geosciences — CC BY 4.0

Revision history

  1. 21.10.2026 09:53:17 · EMSC · update

    depth: 529.8 → 519.4 latitude: -25.502 → -25.4365 longitude: 179.592 → 179.6585 time: 2026-10-20T23:24:27.101+00:00 → 2026-10-20T23:24:26.230+00:00

  2. 21.10.2026 03:22:46 · USGS · update

    depth: 517.08 → 529.78 latitude: -25.5451 → -25.502 longitude: 179.5284 → 179.592 magnitude: 5.1 → 4.9 time: 2026-10-20T23:24:26.555+00:00 → 2026-10-20T23:24:27.101+00:00

  3. 21.10.2026 03:22:46 · SISTEM · recompute

    depth: 517.08 → 529.78 latitude: -25.5451 → -25.502 longitude: 179.5284 → 179.592 magnitude: 5.1 → 4.9 time: 2026-10-20T23:24:26.555Z → 2026-10-20 23:24:27.101+00:00

  4. 21.10.2026 03:22:45 · EMSC · update

    depth: 517.1 → 529.8 latitude: -25.5451 → -25.502 longitude: 179.5284 → 179.592 magnitude: 5.1 → 4.9 time: 2026-10-20T23:24:26.555+00:00 → 2026-10-20T23:24:27.101+00:00

  5. 21.10.2026 02:39:16 · SISTEM · recompute

    depth: 517.1 → 517.08 source count: 2 → 3 review status: automatic → reviewed confirming sources: emsc,gfz → emsc,usgs,gfz preferred source: 3 → 4

  6. 21.10.2026 02:39:14 · EMSC · update

    depth: 512 → 517.1 latitude: -25.4579 → -25.5451 longitude: 179.6939 → 179.5284 magnitude: 5 → 5.1 time: 2026-10-20T23:24:26.010+00:00 → 2026-10-20T23:24:26.555+00:00

  7. 21.10.2026 02:39:14 · SISTEM · recompute

    depth: 512 → 517.1 latitude: -25.4579 → -25.5451 longitude: 179.6939 → 179.5284 magnitude: 5 → 5.1 time: 2026-10-20T23:24:26.010Z → 2026-10-20 23:24:26.555+00:00

  8. 21.10.2026 02:38:12 · EMSC · update

    depth: 525.2 → 512 latitude: -25.4349 → -25.4579 longitude: 179.8208 → 179.6939 time: 2026-10-20T23:24:25.780+00:00 → 2026-10-20T23:24:26.010+00:00

  9. 21.10.2026 02:38:12 · SISTEM · recompute

    depth: 525.2 → 512 latitude: -25.4349 → -25.4579 longitude: 179.8208 → 179.6939 time: 2026-10-20T23:24:25.780Z → 2026-10-20 23:24:26.010+00:00

  10. 21.10.2026 02:36:04 · EMSC · update

    latitude: -25.4476 → -25.4349 longitude: 179.8981 → 179.8208 time: 2026-10-20T23:24:25.190+00:00 → 2026-10-20T23:24:25.780+00:00

  11. 21.10.2026 02:36:04 · SISTEM · recompute

    latitude: -25.4476 → -25.4349 longitude: 179.8981 → 179.8208 time: 2026-10-20T23:24:25.190Z → 2026-10-20 23:24:25.780+00:00

  12. 21.10.2026 02:33:44 · SISTEM · recompute

    source count: 1 → 2 confirming sources: emsc → emsc,gfz

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